<!DOCTYPE html>
<html>

<head>
	<meta charset="UTF-8" />
	<title>Document</title>
</head>

<body>
	<input type="text" id="shuru">

	<script type="text/javascript">
		const shuru = document.getElementById('shuru')
		shuru.addEventListener('change', () => {
			console.log('@')
		})
	</script>
</body>

</html>